Block Designs with gcd(r, λ)=1 Admitting Flag-Transitive Automorphism Groups

被引:0
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作者
Alavi, Seyed Hassan [1 ]
Bayat, Mohsen [1 ]
Biliotti, Mauro [2 ]
Daneshkhah, Ashraf [1 ]
Francot, Eliana [2 ]
Guan, Haiyan [3 ]
Montinaro, Alessandro [2 ]
Mouseli, Fatemeh [1 ]
Rizzo, Pierluigi [2 ]
Tian, Delu [4 ]
Wang, Yajie [5 ]
Zhan, Xiaoqin [6 ]
Zhang, Yongli [7 ]
Zhou, Shenglin [8 ]
Zhu, Yan [9 ]
机构
[1] Bu Ali Sina Univ, Fac Sci, Dept Math, Hamadan, Hamadan, Iran
[2] Univ Salento, Dipartimento Matemat & Fis E De Giorgi, Lecce, Italy
[3] China Three Gorges Univ, Dept Math, Yichang 443002, Hubei, Peoples R China
[4] Guangdong Univ Educ, Dept Math, Guangzhou 510303, Guangdong, Peoples R China
[5] North China Univ Water Resources & Elect Power, Sch Math & Stat, Zhengzhou 450046, Henan, Peoples R China
[6] East China JiaoTong Univ, Sch Sci, Nanchang 330013, Jiangxi, Peoples R China
[7] Guangdong Polytech Normal Univ, Dept Math, Guangzhou 510665, Guangdong, Peoples R China
[8] South China Univ Technol, Sch Math, Guangzhou 510640, Guangdong, Peoples R China
[9] Xuzhou Med Univ, Sch Med Informat & Engn, Xuzhou 221004, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
2-design; flag-transitive; automorphism group; FINITE LINEAR-SPACES; SYMMETRIC DESIGNS; NONSYMMETRIC; 2-DESIGNS; PERMUTATION-GROUPS; 2-(V; CLASSIFICATION;
D O I
10.1007/s00025-022-01697-2
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we present a classification of 2-designs with gcd(r, lambda) = 1 admitting flag-transitive automorphism groups. If G is a flag-transitive automorphism group of a non-trivial 2-design D with gcd(r, lambda) = 1, then either (D, G) is one of the known examples described in this paper, or D has q = p(d) points with p prime and G is a subgroup of A Gamma L-1(q).
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页数:17
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